Unicorn Speed Loader Category_Cylinder Set (Bore-Up) The inner diameter of the

The inner diameter of the A+studio hop up bucking is smaller and tighter than any existing hop-up rubber

・Chamber Cover

- Wide 40mm

Double lock system can lock your chamber on the frame tightly

Unicorn Speed Loader Category_Cylinder Set (Bore-Up) The inner diameter of theMaterial: Plastic Color: Black Item code: UC BB SL * Toys only, please be safe use of air guns and must be follow the local law requirement for all airsoft use. * * Please note: installing parts assemble fitting airsoft gun will need intermediate knowledge; for expert or airsoft gunsmith. Please refer to your airsoft gunsmith for proper installation fitting. Fitting may be needed as the condition of each airsoft gun might be different. Regular